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Implemented GM SpecialState Handling

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Co-authored-by: dongresource <dongresource@protonmail.com>
This commit is contained in:
JadeShrineMaiden 2020-09-22 16:30:49 +01:00 committed by dongresource
parent c9be0e5402
commit efb3df7133
5 changed files with 131 additions and 7 deletions
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93
src/MobManager.cpp
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@ -25,6 +25,7 @@ void MobManager::init() {
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_COMBAT_BEGIN, combatBegin);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_COMBAT_END, combatEnd);
REGISTER_SHARD_PACKET(P_CL2FE_DOT_DAMAGE_ONOFF, dotDamageOnOff);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_ATTACK_CHARs, pcAttackChars);
}
void MobManager::pcAttackNpcs(CNSocket *sock, CNPacketData *data) {
@ -212,8 +213,11 @@ void MobManager::killMob(CNSocket *sock, Mob *mob) {
mob->appearanceData.iConditionBitFlag = 0;
mob->killedTime = getTime(); // XXX: maybe introduce a shard-global time for each step?
// check for the edge case where hitting the mob did not aggro it
if (sock != nullptr) {
giveReward(sock);
MissionManager::mobKilled(sock, mob->appearanceData.iNPCType);
}
mob->despawned = false;
}
@ -620,3 +624,92 @@ std::pair<int,int> MobManager::getDamage(int attackPower, int defensePower, bool
return ret;
}
void MobManager::pcAttackChars(CNSocket *sock, CNPacketData *data) {
sP_CL2FE_REQ_PC_ATTACK_CHARs* pkt = (sP_CL2FE_REQ_PC_ATTACK_CHARs*)data->buf;
Player *plr = PlayerManager::getPlayer(sock);
// Unlike the attack mob packet, attacking players packet has an 8-byte trail (Instead of 4 bytes).
if (!validInVarPacket(sizeof(sP_CL2FE_REQ_PC_ATTACK_CHARs), pkt->iTargetCnt, sizeof(int32_t) * 2, data->size)) {
std::cout << "[WARN] bad sP_CL2FE_REQ_PC_ATTACK_CHARs packet size\n";
return;
}
int32_t *pktdata = (int32_t*)((uint8_t*)data->buf + sizeof(sP_CL2FE_REQ_PC_ATTACK_CHARs));
if (!validOutVarPacket(sizeof(sP_FE2CL_PC_ATTACK_CHARs_SUCC), pkt->iTargetCnt, sizeof(sAttackResult))) {
std::cout << "[WARN] bad sP_FE2CL_PC_ATTACK_CHARs_SUCC packet size\n";
return;
}
// initialize response struct
size_t resplen = sizeof(sP_FE2CL_PC_ATTACK_CHARs_SUCC) + pkt->iTargetCnt * sizeof(sAttackResult);
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, resplen);
sP_FE2CL_PC_ATTACK_CHARs_SUCC *resp = (sP_FE2CL_PC_ATTACK_CHARs_SUCC*)respbuf;
sAttackResult *respdata = (sAttackResult*)(respbuf+sizeof(sP_FE2CL_PC_ATTACK_CHARs_SUCC));
resp->iTargetCnt = pkt->iTargetCnt;
for (int i = 0; i < pkt->iTargetCnt; i++) {
if (pktdata[i*2+1] == 1) { // eCT == 1; attack player
Player *target = nullptr;
for (auto& pair : PlayerManager::players) {
if (pair.second.plr->iID == pktdata[i*2]) {
target = pair.second.plr;
break;
}
}
if (target == nullptr) {
// you shall not pass
std::cout << "[WARN] pcAttackChars: player ID not found" << std::endl;
return;
}
target->HP -= 100;
respdata[i].eCT = pktdata[i*2+1];
respdata[i].iID = target->iID;
respdata[i].iDamage = 100;
respdata[i].iHP = target->HP;
respdata[i].iHitFlag = 2; // hitscan, not a rocket or a grenade
} else { // eCT == 4; attack mob
if (Mobs.find(pktdata[i*2]) == Mobs.end()) {
// not sure how to best handle this
std::cout << "[WARN] pcAttackNpcs: mob ID not found" << std::endl;
return;
}
Mob *mob = Mobs[pktdata[i*2]];
std::pair<int,int> damage;
if (pkt->iTargetCnt > 1)
damage = getDamage(plr->groupDamage, (int)mob->data["m_iProtection"], true, (int)mob->data["m_iNpcLevel"]);
else
damage = getDamage(plr->pointDamage, (int)mob->data["m_iProtection"], true, (int)mob->data["m_iNpcLevel"]);
damage.first = hitMob(sock, mob, damage.first);
respdata[i].eCT = pktdata[i*2+1];
respdata[i].iID = mob->appearanceData.iNPC_ID;
respdata[i].iDamage = damage.first;
respdata[i].iHP = mob->appearanceData.iHP;
respdata[i].iHitFlag = damage.second; // hitscan, not a rocket or a grenade
}
}
sock->sendPacket((void*)respbuf, P_FE2CL_PC_ATTACK_CHARs_SUCC, resplen);
// a bit of a hack: these are the same size, so we can reuse the response packet
assert(sizeof(sP_FE2CL_PC_ATTACK_NPCs_SUCC) == sizeof(sP_FE2CL_PC_ATTACK_CHARs));
sP_FE2CL_PC_ATTACK_CHARs *resp1 = (sP_FE2CL_PC_ATTACK_CHARs*)respbuf;
resp1->iPC_ID = plr->iID;
// send to other players
PlayerManager::sendToViewable(sock, (void*)respbuf, P_FE2CL_PC_ATTACK_CHARs, resplen);
}

2
src/MobManager.hpp
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@ -105,4 +105,6 @@ namespace MobManager {
void giveReward(CNSocket *sock);
std::pair<int,int> lerp(int, int, int, int, int);
std::pair<int,int> getDamage(int, int, bool, int);
void pcAttackChars(CNSocket *sock, CNPacketData *data);
}

1
src/Player.hpp
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@ -34,6 +34,7 @@ struct Player {
int32_t iWarpLocationFlag;
int64_t aSkywayLocationFlag[2];
int32_t iConditionBitFlag;
int8_t iSpecialState;
int x, y, z, angle;
sItemBase Equip[AEQUIP_COUNT];

36
src/PlayerManager.cpp
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@ -35,6 +35,7 @@ void PlayerManager::init() {
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_REGEN, PlayerManager::revivePlayer);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_EXIT, PlayerManager::exitGame);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_SPECIAL_STATE_SWITCH, PlayerManager::setSpecialSwitchPlayer);
REGISTER_SHARD_PACKET(P_CL2FE_GM_REQ_PC_SPECIAL_STATE_SWITCH, PlayerManager::setGMSpecialSwitchPlayer);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_VEHICLE_ON, PlayerManager::enterPlayerVehicle);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_VEHICLE_OFF, PlayerManager::exitPlayerVehicle);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_CHANGE_MENTOR, PlayerManager::changePlayerGuide);
@ -152,6 +153,7 @@ void PlayerManager::addPlayerToChunks(std::vector<Chunk*> chunks, CNSocket* sock
newPlayer.PCAppearanceData.PCStyle = plr->PCStyle;
newPlayer.PCAppearanceData.Nano = plr->Nanos[plr->activeNano];
newPlayer.PCAppearanceData.iPCState = plr->iPCState;
newPlayer.PCAppearanceData.iSpecialState = plr->iSpecialState;
memcpy(newPlayer.PCAppearanceData.ItemEquip, plr->Equip, sizeof(sItemBase) * AEQUIP_COUNT);
otherSock->sendPacket((void*)&newPlayer, P_FE2CL_PC_NEW, sizeof(sP_FE2CL_PC_NEW));
@ -166,6 +168,7 @@ void PlayerManager::addPlayerToChunks(std::vector<Chunk*> chunks, CNSocket* sock
newPlayer.PCAppearanceData.PCStyle = otherPlr->PCStyle;
newPlayer.PCAppearanceData.Nano = otherPlr->Nanos[otherPlr->activeNano];
newPlayer.PCAppearanceData.iPCState = otherPlr->iPCState;
newPlayer.PCAppearanceData.iSpecialState = otherPlr->iSpecialState;
memcpy(newPlayer.PCAppearanceData.ItemEquip, otherPlr->Equip, sizeof(sItemBase) * AEQUIP_COUNT);
sock->sendPacket((void*)&newPlayer, P_FE2CL_PC_NEW, sizeof(sP_FE2CL_PC_NEW));
@ -811,12 +814,15 @@ void PlayerManager::exitPlayerVehicle(CNSocket* sock, CNPacketData* data) {
}
void PlayerManager::setSpecialSwitchPlayer(CNSocket* sock, CNPacketData* data) {
sP_CL2FE_REQ_PC_SPECIAL_STATE_SWITCH* specialData = (sP_CL2FE_REQ_PC_SPECIAL_STATE_SWITCH*)data->buf;
INITSTRUCT(sP_FE2CL_REP_PC_SPECIAL_STATE_SWITCH_SUCC, response);
setSpecialState(sock, data);
}
response.iPC_ID = specialData->iPC_ID;
response.iReqSpecialStateFlag = specialData->iSpecialStateFlag;
sock->sendPacket((void*)&response, P_FE2CL_REP_PC_SPECIAL_STATE_SWITCH_SUCC, sizeof(sP_FE2CL_REP_PC_SPECIAL_STATE_SWITCH_SUCC));
void PlayerManager::setGMSpecialSwitchPlayer(CNSocket* sock, CNPacketData* data) {
if (getPlayer(sock)->accountLevel > 30)
return;
setSpecialState(sock, data);
}
void PlayerManager::changePlayerGuide(CNSocket *sock, CNPacketData *data) {
@ -893,4 +899,24 @@ void PlayerManager::exitDuplicate(int accountId) {
}
}
}
void PlayerManager::setSpecialState(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_GM_REQ_PC_SPECIAL_STATE_SWITCH))
return; // ignore the malformed packet
Player *plr = getPlayer(sock);
sP_CL2FE_GM_REQ_PC_SPECIAL_STATE_SWITCH* setData = (sP_CL2FE_GM_REQ_PC_SPECIAL_STATE_SWITCH*)data->buf;
INITSTRUCT(sP_FE2CL_PC_SPECIAL_STATE_CHANGE, response);
plr->iSpecialState ^= setData->iSpecialStateFlag;
response.iPC_ID = setData->iPC_ID;
response.iReqSpecialStateFlag = setData->iSpecialStateFlag;
response.iSpecialState = plr->iSpecialState;
sock->sendPacket((void*)&response, P_FE2CL_REP_PC_SPECIAL_STATE_SWITCH_SUCC, sizeof(sP_FE2CL_REP_PC_SPECIAL_STATE_SWITCH_SUCC));
sendToViewable(sock, (void*)&response, P_FE2CL_PC_SPECIAL_STATE_CHANGE, sizeof(sP_FE2CL_PC_SPECIAL_STATE_CHANGE));
}
#pragma endregion

2
src/PlayerManager.hpp
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@ -54,6 +54,7 @@ namespace PlayerManager {
void exitGame(CNSocket* sock, CNPacketData* data);
void setSpecialSwitchPlayer(CNSocket* sock, CNPacketData* data);
void setGMSpecialSwitchPlayer(CNSocket* sock, CNPacketData* data);
void changePlayerGuide(CNSocket *sock, CNPacketData *data);
void enterPlayerVehicle(CNSocket* sock, CNPacketData* data);
@ -64,4 +65,5 @@ namespace PlayerManager {
bool isAccountInUse(int accountId);
void exitDuplicate(int accountId);
void setSpecialState(CNSocket* sock, CNPacketData* data);
}